by Matt Leech
| Wednesday, March 25, 2015
Although it may seam more difficult to close your foundation vent with a concrete block it is actually not that hard and far more cost effective. The franchise companies sell their “vent covers” for around $25 each. To close your vent with a cement block will cost you about $3. Vent covers will not keep out the winter temperatures or keep the mice out (I have see them chew through metal)....